The minimum qualification required to appear for the UPSC Civil Services Examination is a Bachelor's degree from a recognized university. Candidates from any stream, be it arts, science, or commerce, can apply, provided they meet the age criteria and other stipulations outlined by the UPSC. This accessibility allows a diverse pool of candidates with varied academic backgrounds to participate in the examination process aiming for a career in public service. Further, the eligibility criteria for reserved categories may vary, offering additional opportunities.